Comparison

Motion physics app vs Electrolyte Equilibria

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Motion physics app

Features
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In this app, students can visualize how velocity and acceleration affect physical movement. They can change the velocity and acceleration to see how it impacts various objects in motion. Download the app now and embark on a physics learning journey!

About

Electrolyte Equilibria

Features
Read full description

The Electrolyte Equilibria application is designed to calculate the equilibrium composition of multicomponent aqueous electrolyte solutions based on known thermodynamic equilibrium constants and the analytical concentrations of the solution components. The application uses a universal approach that describes the system of equilibria in matrix form, enabling a unified calculation scheme regardless of the type of equilibrium process or the problem's complexity. The program is based on real-world algorithms for precise chemical calculations used in professional environments. Equilibria calculations are possible for both simple systemsβ€”single-component solutions with a single equilibrium processβ€”and for multicomponent solutions with virtually no limit to the number of equilibrium reactions. The calculations account for ion-ion interactions through the solution's ionic strength and activity coefficients, implemented iteratively. The results of equilibrium composition calculations for multicomponent solutions are presented in a table that includes the equilibrium concentrations of all particles, the ionic strength of the solutions, and the activity coefficients of ions with different charge types. The equilibrium composition calculation procedure is implemented by solving a system of nonlinear equations. When studying a series of solutions, a graphical illustration of the dependence of the equilibrium particle concentrations on the concentration of any selected component is provided. Electrolyte Equilibria is an application for modeling and analyzing chemical equilibria in complex multicomponent systems. It is a powerful analytical tool designed for chemists, researchers, teachers, and students studying the diverse physicochemical properties of solutions that depend on their equilibrium composition. The mobile version of the program provides accurate, reliable solutions whether you are in the lab or the classroom. This application provides accurate real-time calculations, beautifully visualizes equilibrium-composition diagrams, offers a straightforward interface, and enables data collection and analysis for any study. The application supports data import and export, including graphs, and supports dark and light theme options. The application can be helpful for teachers and students. It is ideal for modeling equilibria in complex systems in the research practice of students and chemical researchers for both educational and scientific purposes.

Screenshots

Motion physics app3 screens
Electrolyte Equilibria4 screens

Verdict

The call

The clearest difference is update cadence: Motion physics app at daily against Electrolyte Equilibria's every 3 months. Motion physics app also leads on iOS requirement (11.0 vs 15.0). Electrolyte Equilibria's advantage is device support (4 vs 2). On price, ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Motion physics app ships an update daily, Electrolyte Equilibria every 3 months. The most recent releases landed on September 11, 2026 and September 9, 2026 respectively.

Scorecard3 real differences Β· 3 level
Motion physics app versus Electrolyte Equilibria: the parameters behind the verdict, then further details
ParameterMotion physics appElectrolyte Equilibria
PriceFreeFree
Update frequencyDaily β€” betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod, Mac β€” better
Requires iOS11.0 β€” better15.0
Further details β€” not scored
Size25 MB108 MB
Age rating17+4+
DeveloperThe Real StartOleksandr Rubtsov

In-app purchases

None

Motion physics app

No in-app purchases

None

Electrolyte Equilibria

No in-app purchases

Questions

Is Motion physics app free?
Motion physics app is free to download, with no in-app purchases.
Is Electrolyte Equilibria free?
Electrolyte Equilibria is free to download, with no in-app purchases.
Do Motion physics app or Electrolyte Equilibria have ads?
Neither Motion physics app nor Electrolyte Equilibria shows ads.
Which is updated more often, Motion physics app or Electrolyte Equilibria?
Motion physics app ships an update daily, and Electrolyte Equilibria every 3 months. Most recently, Motion physics app was updated on September 11, 2026 and Electrolyte Equilibria on September 9, 2026.

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